The lux (symbol: lx) is the SI unit of illuminance and luminous emittance, measuring luminous flux per unit area. It is equal to one lumen per square metre. In photometry, this is used as a measure of the intensity, as perceived by the human eye, of light that hits or passes through a surface. It is analogous to the radiometric unit watts per square metre, but with the power at each wavelength weighted according to the luminosity function, a standardized model of human visual brightness perception. In English, "lux" is used in both singular and plural.[1]
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Portable Spectrometer with Display , the first CCD spectrometer in the world. Portable light and color meter free from connecting with computer. This light meter can capture and visible light source and to operate the device through touch panel instinctively, instant spectrum and data available. Several models available, such as PPF and LED BINS. Micro-spectrometer is the core of portable light meter. Its high stability and accuracy provide diversified application. Features First CCD spectrometer in the world, that free from connecting with computer 4.3 inch colorful touch screen Just aims at the light source, and click “measure” to test User-friendly Multi-functional interface Specification Resolution: 4.2 - 5 nm FWHM Wavelength Range: 380 – 780 nm Signal-to-noise Range: 0.3 % Spectral deviation: 0.12 % Integration Time: 1 ms – 24 s Input Fiber Connector: SMA905 Interface: USB Power: Rechargeable Li-ion Battery Screen: 4.3 inch touch / colorful screen Storage Media: Micro-SD Memory Card Dimensions: 148.5(W) x 96(D) x 34.5(H) mm Weight: 550 g Design / Made in Taiwan Model Specification \...
5 Digital Display. Auto Ranging. Automatic Power Off. Fc / lx Function Selectable. HOLD Function. Range Display. Automatic Zero When Power On.
According to JISC1609:1993 and CNS 5119 general A class specifications. - Spectral response close to CIE luminous spectral efficiency. - Measuring intensities of illumination in unit of Lux or Foot-candle. - Measuring lights source include all visible range. - Cosine angular corrected. - Autorange. - Datalogger : USB Interface, 7000 Records.
- 3½ digits LCD with maximum reading 2000. - Overload indication. - Low battery indication. - According to JISC1609:1993 and CNS 5119 general A class specifications. - Spectral response close to CIE luminous spectral efficiency. - Measuring intensities of illumination in unit of Lux or Foot-candle. - Measuring lights source include all visible range. - Cosine angular corrected.
- According to JISC1609 : 1993 and CNS 5119 general A class specifications. - Spectral response close to CIE luminous spectral efficiency. - Measuring the intensities of illumination displays in unit of Lux or Foot-candle. - Silicon photo diode and filter. - Measuring light source include all visible light source. - Cosine angular corrected. - Auto power off and disable function. - Data hold, Max/Min/AVG hold. - Real Zero function. - Auto ranging.
Precision instrument for light luminance and color coordinate Meet CIE (International Commission on Illumination) photopic spectral response Color temperature or Correlated color temperature Custom reference value of color difference mode Lux or foot-candle unit selection Magnetic mount Tripod socket
Storage Temperature:Dimension / Weight:Accessories:169(L)×63(W)×37(H)mm (6.7”×2.5”×1.5”)Battery, instruction manual, carrying case.-10 to 50°C (14 to 122°F)Accuracy: ±3% (Calibrated to standard incandescentlamp 2856°K)Temperature characteristics:Response time: 0.5 secLight detector: SI PhotodiodeOperation temperature: 0°C ~ 40°C(32°F ~ 104°F)Operation humidity: 0~80% RHStorage Humidity: 0 to 70% RHSpecificationsMeasuring level range: 0.0 to 199.9/1999/19990/199900 lx0.0 to 19.9/199.9/1999/19990 fcAutomatic or manual selection of rangeResolution: 0.1 ~ 100 lx, 0.1 ~ 10 fc±0.1% / °C(25°C)Over range: “-OL-” displayPower supply: 1.5V type AA battery x2Power life: Approx. 80 hoursWeight: Approx. 185g[Note] 1fc =10.76lxAngle deviation from cosinecharacteristics10° ± 1% 30° ± 2%60° ± 5% 80° ± 20%
- 3½ digits LCD with maximum reading 2000. - Overload indication. - Low battery indication. - According to JISC1609:1993 and CNS 5119 general A class specifications. - Spectral response close to CIE luminous spectral efficiency. - Measuring intensities of illumination in unit of Lux or Foot-candle. - Measuring lights source include all visible range. - Length of wire for light sensor: approximately 1.5M. - Cosine angular corrected.